Question 1

What is the cheapest airline to fly from London Stansted Airport to Washington, D.C. Dulles Intl Airport round-trip?

Accepted Answer

According to our current data, PLAY (£247), offers the cheapest pricing from London Stansted Airport to Washington, D.C. Dulles Intl Airport. PLAY is priced at 48% lower than the current average price of a flight leaving 3 months from now.

Question 2

What is the cheapest month to book a flight from London Stansted Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from London Stansted Airport to Washington, D.C. Dulles Intl Airport (average of £599). Flying from London Stansted Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 3

What is the cheapest day to fly from London Stansted Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Travellers seeking maximum savings on their London Stansted Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 6

What is the cheapest day to fly round-trip from London Stansted Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Departing on a Saturday is a good option for securing a great price. You can expect to save up to 23% when planning your travel around this day of the week.

Question 7

How far in advance should I book a flight from London Stansted Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

To save up to 44% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Stansted Airport to Washington, D.C. Dulles Intl Airport from £539 1-2 weeks out and tickets from £830 for flights departing within the next 72 hours.

Question 8

What is the cheapest month to fly from London Stansted Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from London Stansted Airport in February are about £542 on average during February, but can be found for as low as £225.

Question 9

What is the cheapest time of day to fly from STN to IAD?

Accepted Answer

One of the essential ways to save on airfare from London Stansted Airport to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 19% on airfare.

Question 10

Can I find deals for flights from Stansted to Dulles Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Stansted to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 11

How can I find direct flights from Stansted to Dulles Intl?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Dulles Intl.

Question 12

Can I find deals for business class flights from Stansted to Dulles Intl?

Accepted Answer

Yes. Cheapflights offers flight deals from Stansted to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 13

How does Cheapflights help users find flights from Stansted to Dulles Intl?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Stansted today with Cheapflights!

Question 14

Why should you use Cheapflights to find cheap flight tickets from Stansted to Dulles Intl?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dulles Intl from Stansted.

Question 15

Can Cheapflights find flights from Stansted to Dulles Intl with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Stansted to Dulles Intl flexibly with Cheapflights today.

Question 16

Can Cheapflights notify me if prices for flights from Stansted to Dulles Intl become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Stansted to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£435
One-way from	£397
Popular in	March
Cheapest in	December
Average price	£542

Cheap flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport from £397

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Stansted to Dulles IntlExplore the most affordable flight options available from Stansted to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Explore the most affordable flight options available from Stansted to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

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Best time to book a flight from Stansted to Dulles Intl

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Related info for your journey

Find useful and relevant information for your journey from Stansted to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from London Stansted Airport to Washington, D.C. Dulles Intl Airport round-trip?

Can I find deals for flights from Stansted to Dulles Intl that include hotel bookings?

How can I find direct flights from Stansted to Dulles Intl?

Can I find deals for business class flights from Stansted to Dulles Intl?

What is the cheapest month to book a flight from London Stansted Airport to Washington, D.C. Dulles Intl Airport?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

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How does Cheapflights help users find flights from Stansted to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Stansted to Dulles Intl?

Can Cheapflights find flights from Stansted to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Stansted to Dulles Intl become cheaper?

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Cheapest flights from Stansted to Dulles Intl
Explore the most affordable flight options available from Stansted to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.